JPS4912820A - - Google Patents

Info

Publication number
JPS4912820A
JPS4912820A JP47045044A JP4504472A JPS4912820A JP S4912820 A JPS4912820 A JP S4912820A JP 47045044 A JP47045044 A JP 47045044A JP 4504472 A JP4504472 A JP 4504472A JP S4912820 A JPS4912820 A JP S4912820A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP47045044A
Other languages
Japanese (ja)
Other versions
JPS5539804B2 (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4504472A priority Critical patent/JPS5539804B2/ja
Priority to US00358266A priority patent/US3856386A/en
Priority to DE19732323428 priority patent/DE2323428C3/de
Publication of JPS4912820A publication Critical patent/JPS4912820A/ja
Publication of JPS5539804B2 publication Critical patent/JPS5539804B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP4504472A 1972-05-09 1972-05-09 Expired JPS5539804B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4504472A JPS5539804B2 (enrdf_load_stackoverflow) 1972-05-09 1972-05-09
US00358266A US3856386A (en) 1972-05-09 1973-05-08 Extrawide-angle retrofocus type of objective
DE19732323428 DE2323428C3 (de) 1972-05-09 1973-05-09 Weltwinkelobjektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4504472A JPS5539804B2 (enrdf_load_stackoverflow) 1972-05-09 1972-05-09

Publications (2)

Publication Number Publication Date
JPS4912820A true JPS4912820A (enrdf_load_stackoverflow) 1974-02-04
JPS5539804B2 JPS5539804B2 (enrdf_load_stackoverflow) 1980-10-14

Family

ID=12708350

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4504472A Expired JPS5539804B2 (enrdf_load_stackoverflow) 1972-05-09 1972-05-09

Country Status (2)

Country Link
US (1) US3856386A (enrdf_load_stackoverflow)
JP (1) JPS5539804B2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120724A (en) * 1975-03-29 1976-10-22 Zeiss Stiftung Very bright wide angle objective lens having back focal length at long image side

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5416858B2 (enrdf_load_stackoverflow) * 1974-02-28 1979-06-26
JPS5544922B2 (enrdf_load_stackoverflow) * 1974-05-11 1980-11-14
US4116536A (en) * 1976-10-01 1978-09-26 Vivitar Corporation Wide angle lens
JPS5651709A (en) * 1979-10-03 1981-05-09 Minolta Camera Co Ltd Reverse telephoto type wide angle lens
JP4225437B2 (ja) * 1997-03-18 2009-02-18 フジノン株式会社 レトロフォーカス型レンズ
JP3753842B2 (ja) * 1997-08-21 2006-03-08 フジノン株式会社 超広角レンズ系

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549241A (en) * 1967-10-24 1970-12-22 Nippon Kogaku Kk Extremely wide-angle object lens
JPS585B1 (enrdf_load_stackoverflow) * 1970-04-11 1983-01-05 Canon Kk
JPS5030455B1 (enrdf_load_stackoverflow) * 1971-03-26 1975-10-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120724A (en) * 1975-03-29 1976-10-22 Zeiss Stiftung Very bright wide angle objective lens having back focal length at long image side

Also Published As

Publication number Publication date
DE2323428A1 (de) 1973-11-29
JPS5539804B2 (enrdf_load_stackoverflow) 1980-10-14
DE2323428B2 (de) 1976-02-19
US3856386A (en) 1974-12-24

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